/*
 * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
/*
 * Copyright 1999-2002,2004 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.sun.org.apache.xerces.internal.dom;

import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;

/**
 * NON-DOM CLASS: Describe one of the Elements (and its associated
 * Attributes) defined in this Document Type.
 * <p>
 * I've included this in Level 1 purely as an anchor point for default
 * attributes. In Level 2 it should enable the ChildRule support.
 *
 * @xerces.internal
 */
public class ElementDefinitionImpl
    extends ParentNode {

  //
  // Constants
  //

  /**
   * Serialization version.
   */
  static final long serialVersionUID = -8373890672670022714L;

  //
  // Data
  //

  /**
   * Element definition name.
   */
  protected String name;

  /**
   * Default attributes.
   */
  protected NamedNodeMapImpl attributes;

  //
  // Constructors
  //

  /**
   * Factory constructor.
   */
  public ElementDefinitionImpl(CoreDocumentImpl ownerDocument, String name) {
    super(ownerDocument);
    this.name = name;
    attributes = new NamedNodeMapImpl(ownerDocument);
  }

  //
  // Node methods
  //

  /**
   * A short integer indicating what type of node this is. The named
   * constants for this value are defined in the org.w3c.dom.Node interface.
   */
  public short getNodeType() {
    return NodeImpl.ELEMENT_DEFINITION_NODE;
  }

  /**
   * Returns the element definition name
   */
  public String getNodeName() {
    if (needsSyncData()) {
      synchronizeData();
    }
    return name;
  }

  /**
   * Replicate this object.
   */
  public Node cloneNode(boolean deep) {

    ElementDefinitionImpl newnode =
        (ElementDefinitionImpl) super.cloneNode(deep);
    // NamedNodeMap must be explicitly replicated to avoid sharing
    newnode.attributes = attributes.cloneMap(newnode);
    return newnode;

  } // cloneNode(boolean):Node

  /**
   * Query the attributes defined on this Element.
   * <p>
   * In the base implementation this Map simply contains Attribute objects
   * representing the defaults. In a more serious implementation, it would
   * contain AttributeDefinitionImpl objects for all declared Attributes,
   * indicating which are Default, DefaultFixed, Implicit and/or Required.
   *
   * @return org.w3c.dom.NamedNodeMap containing org.w3c.dom.Attribute
   */
  public NamedNodeMap getAttributes() {

    if (needsSyncChildren()) {
      synchronizeChildren();
    }
    return attributes;

  } // getAttributes():NamedNodeMap

} // class ElementDefinitionImpl
